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Margarosanite Mineral Data
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General Margarosanite Information
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 Chemical Formula: |
Pb(Ca,Mn++)2Si3O9 |
| Composition: |
Molecular Weight = 516.23 gm |
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Calcium 15.45 % Ca 21.62 % CaO |
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Manganese 0.85 % Mn 1.10 % MnO |
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Silicon 15.67 % Si 33.52 % SiO2 |
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Lead 40.14 % Pb 43.24 % PbO |
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Oxygen 27.89 % O |
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______ ______ |
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100.00 % 99.47 % = TOTAL OXIDE |
| Empirical Formula: |
PbCa1.99Mn2+0.08Si2.88O9 |
| Environment: |
In a metamorphosed stratiform zinc deposit. |
| IMA Status: |
Valid Species (Pre-IMA) 1916 |
| Locality: |
Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "pearl" and "tablet", in reference to its luster and lamellar habit. |
| Name Pronunciation: |
Margarosanite + Pronunciation  |
| Synonym: |
ICSD 18098 |
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PDF 27-79 |
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